TerraServer - TerraServer hosts the world's largest online database. It's a huge repository of aerial photographs and satellite images taken from miles overhead that you can view and, if you want, purchase.

MicroDEM is a Windows NT or 95 package for displaying and merging DLGs, DEMs, other gridded data, and satellite imagery.

The University of Hawaii School of Ocean and Earth Science and Technology has produced a mapping package called GMT (Generic Mapping Tools).

AGIS for Windows is a mapping and simple GIS package specifically designed to be easy to use. The available 32 bit version is designed for Windows 95, 98 and NT.

InFoCAD GIS Pro is a COGO-based GIS software that combines imaging, graphics, database, and analysis functions into one package.

SPRING (Georeferenced Information Processing System) is a GIS and remote sensing image processing system with an object-oriented data model which provides for the integration of raster and vector data representations in a single environment. Freeware available.

TatukGIS This download is a free executable that calculates datums and projections coordinates. This address bypasses the registration process.

Silicon Spaceships . GeoVirgil is a program that allows you to view NASA .PDS data, which are satellite imagery of venus, earth, the moon, etc. These images can be downloaded for free from the Jet Propulsion Laboratory (NASA JPL) or written to CD for a low cost. The software allows you to set different coordinate systems, export images into .jpg, view scalebars, etc.

Caris Developers of CARIS GIS, CARIS Marine Information Systems, and the CARIS++ Spatial Framework. Explore the advantages that this software provides, from traditional GIS and desktop mapping, to GIS on the Internet and spatial components for corporate enterprise.

Claritas, Inc., "The Precision Marketing Source". What is Precision Marketing? It is the integration of demographics, specialized data, customer data, geography, mapping and marketing experience.

GeoCommunity a premier resource for GIS/CAD professionals. A must visit for FREE downloads from over a terabyte of geospatial datasets, a high-powered, industry-specific search engine, GIS industry news, discussion forums, classifieds, and software utilities.

Geodynamic Solutions, Inc. provides enterprise and internet solutions that enable our clients to integrate, access, and analyze geographic information including petrolynx.com the petroleum industry ASP solution for online mapping, well and production analysis, and data extraction.

GeoLytics Inc. is the leading provider of CD-ROM products that integrate a wealth of US Census, private and other government data with sophisticated statistical and mapping tools.

GISLinx a site which has been compiled to provide GIS users with a quick and easy source of information on a variety of issues. With over 1,700 links, GISLinx provides an invaluable resource for all your GIS needs.

LizardTech Inc. LizardTech offers the most advanced image compression on the market today. Its image compression software, called MrSID (Multi-Resolution Seamless Image Database), was developed at Los Alamos National Laboratory.

Mapframe MapFrame develops smart simple solutions for field automation. The company's data collection application combines forms and text information with geographic data to provide a highly intelligent framework for data collection. With FieldSmart Collect, capturing data is as easy as selecting from lists, printing in fields, and placing objects on a map or sketch.

Mapquest Worldwide Interactive Atlas Mapquest has added maps for cities and regions around the world to its detailed coverage of the United States. The interactive atlas can now display international locations on six continents; maps are detailed to the highway and boulevard level.

Maptech, Inc. has a number of marine and land digital products including charts, navigators, plotting and contouring software etc.

Northwest GIS Services , Inc. (NWGIS) has provided the Pacific Northwest with expert GIS technical support and mapping services since 1993. Specialize in watershed analysis, hydrology, and surface water planning and management.

PCI Geomatics is a world leading developer of Geomatics software and solutions based on its remote sensing, digital photogrammetry, spatial analysis, and cartographic editing programs.

Rand McNally & Company has a site with an Internet Directory including Tripmaker and StreetFinder as well as travel tools, and an online catalog.

Softree develops and markets high quality scientific and engineering software for applications in forestry and the natural resource industries. Quick and easy software for surveying and mapping. It is ideal for the geographer, forester, geologist, surveyor or resource scientist who is not a GIS specialist, but who needs to quickly produce working maps and site plans.

Space Imaging collects and distributes a wide variety of satellite- and aerially-derived digital Earth information products from a variety of sources. These include a constellation of satellites lead by the flagship Landsat and Indian Remote Sensing satellites, from which Space Imaging produces tailored global space-based imagery and derivative information products.

Spot Image Corp. Spot Image is the world's leading supplier of geographic information from optical and radar earth observation satellites, compatible with all image processing and GIS systems. Its range of products includes geocoded and orthorectified images, DEM, etc., and ad-hoc services.

TatukGIS Home of the TatukGIS Developer Kernel, a comprehensive GIS development toolkit provided as both a Delphi/C++Builder VCL and an ActiveX component, and the Aerial Imagery Corrector, used to rectify, georeference, and mosaic aerial images and raster maps